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yaml --- r: 255808 b: refs/heads/master c: 0e44d48 h: refs/heads/master v: v3
git-mirror · Jun 20, 2011 · d852090 · d852090
1 parent 09d5dcc
commit d852090
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Showing 3 changed files with 24 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 81dc67601a49d1bfcfa85f644b14a013fc59e0ef
+refs/heads/master: 0e44d48cbb010db492a27302b247049d5d43e065
diff --git a/trunk/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/trunk/drivers/net/wireless/ath/ath9k/ar9003_paprd.c
@@ -785,7 +785,26 @@ EXPORT_SYMBOL(ar9003_paprd_init_table);
 
 bool ar9003_paprd_is_done(struct ath_hw *ah)
 {
-	return !!REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
+	int paprd_done, agc2_pwr;
+	paprd_done = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
 				AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
+
+	if (paprd_done == 0x1) {
+		agc2_pwr = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
+				AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR);
+
+		ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+			"AGC2_PWR = 0x%x training done = 0x%x\n",
+			agc2_pwr, paprd_done);
+	/*
+	 * agc2_pwr range should not be less than 'IDEAL_AGC2_PWR_CHANGE'
+	 * when the training is completely done, otherwise retraining is
+	 * done to make sure the value is in ideal range
+	 */
+		if (agc2_pwr <= PAPRD_IDEAL_AGC2_PWR_RANGE)
+			paprd_done = 0;
+	}
+
+	return !!paprd_done;
 }
 EXPORT_SYMBOL(ar9003_paprd_is_done);
diff --git a/trunk/drivers/net/wireless/ath/ath9k/hw.h b/trunk/drivers/net/wireless/ath/ath9k/hw.h
@@ -157,8 +157,9 @@
 #define ATH9K_HW_RX_HP_QDEPTH	16
 #define ATH9K_HW_RX_LP_QDEPTH	128
 
-#define PAPRD_GAIN_TABLE_ENTRIES    32
-#define PAPRD_TABLE_SZ              24
+#define PAPRD_GAIN_TABLE_ENTRIES	32
+#define PAPRD_TABLE_SZ			24
+#define PAPRD_IDEAL_AGC2_PWR_RANGE	0xe0
 
 enum ath_hw_txq_subtype {
 	ATH_TXQ_AC_BE = 0,